ETYM Old Eng. bite, bit, bitt, AS. bite bite, from bîtan to bite, akin to Icel. bit, OS. biti, German biss. Related to Bite, Bit.
(Homonym: bight, byte).
1. A light informal meal; SYN. collation, snack, nosh.
2. A wound resulting from biting.
3. The act of gripping or chewing off with the teeth and jaws; SYN. chomp.

An appetizer in Greek or Middle Eastern cuisine often served with an aperitif

1. A small, quick meal.
2. A little bit to eat, especially between regular meals.